I recently had my '55 Tremolux serviced. The PT was getting pretty hot so I was worried about it. The tech replaced the filter caps and a few others, but said the PT was fine. He also said that it will still get somewhat hot because it was designed to run on 110V and most outlets in the US put out 120-125V now. I would like to gig with this amp, but I'm worried about burning the PT. It gets pretty warm after about 40 minutes. Not too hot to touch, but still warmer than the PTs on my other (later) Fenders. The tech suggested the possibility of using a variac w/ the amp. Is this a good idea? Any other suggestions? Should I be worried at all? How hot is too hot for a PT? Thanks!